text: /**
   * SanityCheck.h
   *
   * Test configuration values for errors at compile-time.
   */
  #ifndef SANITYCHECK_H
    #define SANITYCHECK_H
  
    /**
     * Dual Stepper Drivers
     */
    #if defined(Z_DUAL_STEPPER_DRIVERS) && defined(Y_DUAL_STEPPER_DRIVERS)
      #error You cannot have dual stepper drivers for both Y and Z.
    #endif
  
    /**
     * Progress Bar
     */
    #ifdef LCD_PROGRESS_BAR
      #ifndef SDSUPPORT
        #error LCD_PROGRESS_BAR requires SDSUPPORT.
      #endif
      #ifdef DOGLCD
        #error LCD_PROGRESS_BAR does not apply to graphical displays.
      #endif
      #ifdef FILAMENT_LCD_DISPLAY
        #error LCD_PROGRESS_BAR and FILAMENT_LCD_DISPLAY are not fully compatible. Comment out this line to use both.
      #endif
    #endif
  
    /**
     * Babystepping
     */
    #ifdef BABYSTEPPING
      #ifdef COREXY
        #error BABYSTEPPING not implemented for COREXY yet.
      #endif
      #ifdef SCARA
        #error BABYSTEPPING is not implemented for SCARA yet.
      #endif
      #if defined(DELTA) && defined(BABYSTEP_XY)
        #error BABYSTEPPING only implemented for Z axis on deltabots.
      #endif
    #endif
  
    /**
     * Filament Change with Extruder Runout Prevention
     */
    #if defined(FILAMENTCHANGEENABLE) && defined(EXTRUDER_RUNOUT_PREVENT)
      #error EXTRUDER_RUNOUT_PREVENT currently incompatible with FILAMENTCHANGE.
    #endif
  
    /**
     * Options only for EXTRUDERS == 1
     */
    #if EXTRUDERS > 1
  
      #if EXTRUDERS > 4
        #error The maximum number of EXTRUDERS in Marlin is 4.
      #endif
  
      #ifdef TEMP_SENSOR_1_AS_REDUNDANT
        #error EXTRUDERS must be 1 with TEMP_SENSOR_1_AS_REDUNDANT.
      #endif
  
      #ifdef HEATERS_PARALLEL
        #error EXTRUDERS must be 1 with HEATERS_PARALLEL.
      #endif
  
      #ifdef Y_DUAL_STEPPER_DRIVERS
        #error EXTRUDERS must be 1 with Y_DUAL_STEPPER_DRIVERS.
      #endif
  
      #ifdef Z_DUAL_STEPPER_DRIVERS
        #error EXTRUDERS must be 1 with Z_DUAL_STEPPER_DRIVERS.
      #endif
  
    #endif // EXTRUDERS > 1
  
    /**
     * Limited number of servos
     */
    #if NUM_SERVOS > 4
      #error The maximum number of SERVOS in Marlin is 4.
    #endif
  
    /**
     * Required LCD language
     */
    #if !defined(DOGLCD) && defined(ULTRA_LCD) && !defined(DISPLAY_CHARSET_HD44780_JAPAN) && !defined(DISPLAY_CHARSET_HD44780_WESTERN)&& !defined(DISPLAY_CHARSET_HD44780_CYRILLIC)
      #error You must enable either DISPLAY_CHARSET_HD44780_JAPAN or DISPLAY_CHARSET_HD44780_WESTERN  or DISPLAY_CHARSET_HD44780_CYRILLIC for your LCD controller.
    #endif
  
    /**
     * Mesh Bed Leveling
     */
    #ifdef MESH_BED_LEVELING
      #ifdef DELTA
        #error MESH_BED_LEVELING does not yet support DELTA printers.
      #endif
      #ifdef ENABLE_AUTO_BED_LEVELING
        #error Select ENABLE_AUTO_BED_LEVELING or MESH_BED_LEVELING, not both.
      #endif
      #if MESH_NUM_X_POINTS > 7 || MESH_NUM_Y_POINTS > 7
        #error MESH_NUM_X_POINTS and MESH_NUM_Y_POINTS need to be less than 8.
      #endif
    #endif
  
    /**
     * Auto Bed Leveling
     */
    #ifdef ENABLE_AUTO_BED_LEVELING
  
      /**
       * Require a Z Min pin
       */
      #if Z_MIN_PIN == -1
        #if Z_PROBE_PIN == -1 || (!defined(Z_PROBE_ENDSTOP) || defined(DISABLE_Z_PROBE_ENDSTOP)) // It's possible for someone to set a pin for the Z Probe, but not enable it.
          #ifdef Z_PROBE_REPEATABILITY_TEST
            #error You must have a Z_MIN or Z_PROBE endstop to enable Z_PROBE_REPEATABILITY_TEST.
          #else
            #error ENABLE_AUTO_BED_LEVELING requires a Z_MIN or Z_PROBE endstop. Z_MIN_PIN or Z_PROBE_PIN must point to a valid hardware pin.
          #endif
        #endif
      #endif
  
      /**
       * Require a Z Probe Pin if Z_PROBE_ENDSTOP is enabled.
       */
      #if defined(Z_PROBE_ENDSTOP)
        #ifndef Z_PROBE_PIN
          #error You must have a Z_PROBE_PIN defined in your pins_XXXX.h file if you enable Z_PROBE_ENDSTOP.
        #endif
        #if Z_PROBE_PIN == -1
          #error You must set Z_PROBE_PIN to a valid pin if you enable Z_PROBE_ENDSTOP.
        #endif
  // Forcing Servo definitions can break some hall effect sensor setups. Leaving these here for further comment.
  //      #ifndef NUM_SERVOS
  //        #error You must have NUM_SERVOS defined and there must be at least 1 configured to use Z_PROBE_ENDSTOP.
  //      #endif
  //      #if defined(NUM_SERVOS) && NUM_SERVOS < 1
  //        #error You must have at least 1 servo defined for NUM_SERVOS to use Z_PROBE_ENDSTOP.
  //      #endif
  //      #ifndef SERVO_ENDSTOPS
  //        #error You must have SERVO_ENDSTOPS defined and have the Z index set to at least 0 or above to use Z_PROBE_ENDSTOP.
  //      #endif
  //      #ifndef SERVO_ENDSTOP_ANGLES
  //        #error You must have SERVO_ENDSTOP_ANGLES defined for Z Extend and Retract to use Z_PROBE_ENDSTOP.
  //      #endif
      #endif
      /**
       * Check if Probe_Offset * Grid Points is greater than Probing Range
       */
      #ifdef AUTO_BED_LEVELING_GRID
        #ifndef DELTA_PROBABLE_RADIUS
          // Be sure points are in the right order
          #if LEFT_PROBE_BED_POSITION > RIGHT_PROBE_BED_POSITION
            #error LEFT_PROBE_BED_POSITION must be less than RIGHT_PROBE_BED_POSITION.
          #elif FRONT_PROBE_BED_POSITION > BACK_PROBE_BED_POSITION
            #error BACK_PROBE_BED_POSITION must be less than FRONT_PROBE_BED_POSITION.
          #endif
          // Make sure probing points are reachable
          #if LEFT_PROBE_BED_POSITION < MIN_PROBE_X
            #error "The given LEFT_PROBE_BED_POSITION can't be reached by the probe."
          #elif RIGHT_PROBE_BED_POSITION > MAX_PROBE_X
            #error "The given RIGHT_PROBE_BED_POSITION can't be reached by the probe."
          #elif FRONT_PROBE_BED_POSITION < MIN_PROBE_Y
            #error "The given FRONT_PROBE_BED_POSITION can't be reached by the probe."
          #elif BACK_PROBE_BED_POSITION > MAX_PROBE_Y
            #error "The given BACK_PROBE_BED_POSITION can't be reached by the probe."
          #endif
        #endif
      #else // !AUTO_BED_LEVELING_GRID
  
        // Check the triangulation points
        #if ABL_PROBE_PT_1_X < MIN_PROBE_X || ABL_PROBE_PT_1_X > MAX_PROBE_X
          #error "The given ABL_PROBE_PT_1_X can't be reached by the probe."
        #elif ABL_PROBE_PT_2_X < MIN_PROBE_X || ABL_PROBE_PT_2_X > MAX_PROBE_X
          #error "The given ABL_PROBE_PT_2_X can't be reached by the probe."
        #elif ABL_PROBE_PT_3_X < MIN_PROBE_X || ABL_PROBE_PT_3_X > MAX_PROBE_X
          #error "The given ABL_PROBE_PT_3_X can't be reached by the probe."
        #elif ABL_PROBE_PT_1_Y < MIN_PROBE_Y || ABL_PROBE_PT_1_Y > MAX_PROBE_Y
          #error "The given ABL_PROBE_PT_1_Y can't be reached by the probe."
        #elif ABL_PROBE_PT_2_Y < MIN_PROBE_Y || ABL_PROBE_PT_2_Y > MAX_PROBE_Y
          #error "The given ABL_PROBE_PT_2_Y can't be reached by the probe."
        #elif ABL_PROBE_PT_3_Y < MIN_PROBE_Y || ABL_PROBE_PT_3_Y > MAX_PROBE_Y
          #error "The given ABL_PROBE_PT_3_Y can't be reached by the probe."
        #endif
  
      #endif // !AUTO_BED_LEVELING_GRID
  
    #endif // ENABLE_AUTO_BED_LEVELING
  
    /**
     * ULTIPANEL encoder
     */
    #if defined(ULTIPANEL) && !defined(NEWPANEL) && !defined(SR_LCD_2W_NL) && !defined(SHIFT_CLK)
      #error ULTIPANEL requires some kind of encoder.
    #endif
  
    /**
     * Delta has limited bed leveling options
     */
    #ifdef DELTA
  
      #ifdef ENABLE_AUTO_BED_LEVELING
  
        #ifndef AUTO_BED_LEVELING_GRID
          #error Only AUTO_BED_LEVELING_GRID is supported with DELTA.
        #endif
  
        #ifdef Z_PROBE_SLED
          #error You cannot use Z_PROBE_SLED with DELTA.
        #endif
  
        #ifdef Z_PROBE_REPEATABILITY_TEST
          #error Z_PROBE_REPEATABILITY_TEST is not supported with DELTA yet.
        #endif
  
      #endif
  
    #endif
  
    /**
     * Allen Key Z Probe requires Auto Bed Leveling grid and Delta
     */
    #if defined(Z_PROBE_ALLEN_KEY) && !(defined(AUTO_BED_LEVELING_GRID) && defined(DELTA))
      #error Invalid use of Z_PROBE_ALLEN_KEY.
    #endif
  
    /**
     * Dual X Carriage requirements
     */
    #ifdef DUAL_X_CARRIAGE
      #if EXTRUDERS == 1 || defined(COREXY) \
          || !HAS_X2_ENABLE || !HAS_X2_STEP || !HAS_X2_DIR \
          || !defined(X2_HOME_POS) || !defined(X2_MIN_POS) || !defined(X2_MAX_POS) \
          || !HAS_X_MAX
        #error Missing or invalid definitions for DUAL_X_CARRIAGE mode.
      #endif
      #if X_HOME_DIR != -1 || X2_HOME_DIR != 1
        #error Please use canonical x-carriage assignment.
      #endif
    #endif // DUAL_X_CARRIAGE
  
    /**
     * Make sure auto fan pins don't conflict with the fan pin
     */
    #if HAS_AUTO_FAN && HAS_FAN
      #if EXTRUDER_0_AUTO_FAN_PIN == FAN_PIN
        #error You cannot set EXTRUDER_0_AUTO_FAN_PIN equal to FAN_PIN.
      #elif EXTRUDER_1_AUTO_FAN_PIN == FAN_PIN
        #error You cannot set EXTRUDER_1_AUTO_FAN_PIN equal to FAN_PIN.
      #elif EXTRUDER_2_AUTO_FAN_PIN == FAN_PIN
        #error You cannot set EXTRUDER_2_AUTO_FAN_PIN equal to FAN_PIN.
      #elif EXTRUDER_3_AUTO_FAN_PIN == FAN_PIN
        #error You cannot set EXTRUDER_3_AUTO_FAN_PIN equal to FAN_PIN.
      #endif
    #endif
  
    #if HAS_FAN && CONTROLLERFAN_PIN == FAN_PIN
      #error You cannot set CONTROLLERFAN_PIN equal to FAN_PIN.
    #endif
  
    /**
     * Test required HEATER defines
     */
    #if EXTRUDERS > 3
      #if !HAS_HEATER_3
        #error HEATER_3_PIN not defined for this board.
      #endif
    #elif EXTRUDERS > 2
      #if !HAS_HEATER_2
        #error HEATER_2_PIN not defined for this board.
      #endif
    #elif EXTRUDERS > 1 || defined(HEATERS_PARALLEL)
      #if !HAS_HEATER_1
        #error HEATER_1_PIN not defined for this board.
      #endif
    #endif
  #ifndef LASER
    #if !HAS_HEATER_0
      #error HEATER_0_PIN not defined for this board.
    #endif
  #endif
  
    /**
     * Warnings for old configurations
     */
    #ifdef X_HOME_RETRACT_MM
      #error [XYZ]_HOME_RETRACT_MM settings have been renamed [XYZ]_HOME_BUMP_MM.
    #endif
  
    #if WATCH_TEMP_PERIOD > 500
      #error WATCH_TEMP_PERIOD now uses seconds instead of milliseconds.
    #endif
  
    #if !defined(THERMAL_PROTECTION_HOTENDS) && (defined(WATCH_TEMP_PERIOD) || defined(THERMAL_PROTECTION_PERIOD))
      #error Thermal Runaway Protection for hotends must now be enabled with THERMAL_PROTECTION_HOTENDS.
    #endif
  
    #if !defined(THERMAL_PROTECTION_BED) && defined(THERMAL_PROTECTION_BED_PERIOD)
      #error Thermal Runaway Protection for the bed must now be enabled with THERMAL_PROTECTION_BED.
    #endif
  
  #endif //SANITYCHECK_H
  